package j2025.j06;

import java.util.HashMap;

/**
 * @Author 猫大仙
 */
public class j0604 {
    public int[] twoSum(int[] nums, int target) {
        HashMap<Integer,Integer> map = new HashMap<>();
        //看看target-nums[i]
        for (int i = 0; i < nums.length; i++) {
            if(map.containsKey(target-nums[i])){
                return new int[]{i,map.get(target-nums[i])};
            }
            map.put(nums[i],i);
        }
        return new int[0];
    }
}
